White, white, colorless type

Colorless, white, and white-based gemstones emit a beauty that is different from colored gemstones. Colorless diamonds, rock crystals, white topaz, moonstones, and pearls are well-known, but there are also many other attractive gemstones such as white sapphire, goshenite, and acroite. Depending on the type of gemstone, there are some gemstones that are rarer if they are not colored.

Karatz GemMagazine
" 10 White Gems "

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Russian diamond rough (sawable) 0.509ct rough (trigon)

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Internally Flawless Diamond 3.7mm/0.200ct Loose (E, IF, 3Excellent H&C) GIA & Chuho

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Mexican Danburite 7.0mm/1.224ct loose stone

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【さくらインカット】ブラジル産ライモナイトインクォーツ（オーロラクォーツ） 11.3mm/3.760ct《コラボ》ルース　ワッペン

[Sakura Incut] Brazilian Limonite in Quartz (Aurora Quartz) 11.3mm/3.760ct {Collaboration} Loose Patch

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【12549333掲載】ブラジル産メデューサクォーツ（パライバクォーツ） 1.945ctルース

Brazilian Medusa Quartz (Paraiba Quartz) 1.945ct Loose Stone

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[12549597 published] Goshenite 0.439ct loose

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Brazilian Limonite in Topaz 4.743ct loose stone

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South African diamond rough (sawable) 0.091ct rough

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Ethiopian Opal 0.629ct Loose (Sphere)

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アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.009ctルース

Andesine Labradorite (also known as Rainbow Moonstone) 1.009ct loose stone

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ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 1.584ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.584ct loose

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アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.543ctルース

Indian Andesine Labradorite (also known as Rainbow Moonstone) 0.543ct loose stone

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White Conch Pearl (with flame pattern) 0.627ct loose stone with jewel

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Tanzanian Hematite in Quartz 2.150ct Loose Stone (Red Fuji Quartz)

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Horse Conch Pearl (Daiouitomakibora) 0.357ct loose

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Synthetic rutile 1.210ct loose stone

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Conch pearl 1.770ct loose (pink white)

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Dumortierite in quartz 0.931ct loose

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[Sakura Incut] Danburite 8.3mm/1.585ct loose with patch

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【11/16(月)AM10時〆：抽選販売_01】《ドゥン氏》スリランカ産マターレークォーツ 6.575ctルース Sale price¥22,800

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【11/16(月)AM10時〆：抽選販売_04】《ドゥン氏》スリランカ産マターレークォーツ 8.256ctルース Sale price¥25,800

【11/13 22時販売】パキスタン産オイルインクォーツ 4.5mm/0.292ctルース Sale price¥8,800

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[Item 12564300] Phenakite from Malyshevo, Russia, 0.489ct loose stone

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Brazilian Flower Rutile in Quartz 3.312ct Loose Stone

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Synthetic Opal 1.804ct Loose

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US-produced Sealite 1.943ct loose stone with certificate of authenticity

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マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.087ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6.1mm/1.087ct loose stone

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アンデシン・ラブラドライト（通称名レインボームーンストーン） 3.251ctルース

Andesine Labradorite (also known as Rainbow Moonstone) 7.7mm/3.251ct Loose Stone (Sphere)

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Goshenite 1.040ct loose

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Brazilian Aventurine Beryl 5.5mm/0.621ct Loose Stone

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Brazilian Herderite 0.509ct loose stone

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Synthetic Rutile 0.768ct Loose

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Sri Lankan Moonstone 1.487ct Loose

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Mexican Water Opal 4.8mm/0.289ct Loose

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Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 4.867ct Loose Stone

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Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 4.894ct Loose Stone

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Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.491ct Loose Stone

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White Diamond 6.2mm/0.988ct Loose (FANCY WHITE, I2)

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Australian white opal 4.170ct loose

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Internally Flawless Diamond (H&C) 3.8mm/0.210ct Loose (F, IF, 3 Excellent H&C) GIA & Chuho

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GGG (Gadolium Gallium Garnet) 1.424ct Loose Stone

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Zimbabwean Bicolor Euclase 0.206ct Loose Stone

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インド産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.450ctルース

Indian Andesine Labradorite (also known as Rainbow Moonstone) 0.450ct Loose Stone

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Cambodian colorless zircon 0.905ct loose stone

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マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.984ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6.3mm/0.984ct Loose Stone (Rose Cut)

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[Star-in-cut] YAG (Yttrium Aluminum Garnet) 1.480ct Loose Gemstone with Certificate

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[Sakura Shape] YAG (Yttrium Aluminum Garnet) 2.026ct Loose Stone with Appraisal

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Sri Lankan White Sapphire 4.3mm/0.382ct Loose

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.